Lattice measurement of BBs with a chiral light quark action
Abstract
The computation on the lattice of the bag parameter BBs associated to the Bs - Bs mixing amplitude in the Standard Model is presented. The estimation has been made by combining the static limit of HQET and the Neuberger light quark action which preserves the chiral symmetry on the lattice. We find BMSstatBs(mb)=0.92(3).
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